single DHCP Server 配發多個網段在單一網卡上

windows server dhcp

yaojie 2013-07-05 17:45:05 ‧ 11642 瀏覽

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各位先進好
最近在測試 Linux DHCP Server multiple Subnets on single interface
架構如下

我在L3 SWITCH上有指定relay 192.168.3.2的DHCP Server

測試結果 VLAN 1 192.168.3.0的Client電腦可正常取得IP
VLAN 2 192.168.2.0 底下的電腦無法取得IP

Linux DHCP Server主機上設定
在即有的eth0上，新增一個eth0:0子介面，IP為192.168.2.253

dhcpd.conf設定內容如下

ddns-update-style interim;
ignore client-updates;
option domain-name-servers 168.95.1.1;
option time-offset -18000;
default-lease-time 18000;
max-lease-time 43200;

shared-network Lan-network {
        allow client-updates;
        allow unknown-clients;
        subnet 192.168.3.0 netmask 255.255.255.0 {
              range 192.168.3.100 192.168.3.200;
                }
        subnet 192.168.2.0 netmask 255.255.255.0 {
             range 192.168.2.1 192.168.2.20;
                }
        }

是不是有少了那些步驟......請有做過的先進指點一下.....

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2 個回答

macliu

iT邦研究生 5 級 ‧ 2013-07-05 20:56:17

最佳解答

你讓每一段subnet的設定都獨立我記得就可囉
shared-network vlan3 {
allow client-updates;
allow unknown-clients;
subnet 192.168.3.0 netmask 255.255.255.0 {
gateway 192.168.3.254
range 192.168.3.100 192.168.3.200;
}
}

shared-network vlan2 {
allow client-updates;
allow unknown-clients;

subnet 192.168.2.0 netmask 255.255.255.0 {
gateway 192.168.2.254
range 192.168.2.1 192.168.2.20;
}
}

用手機回答的，格式或參數不正確請見諒